/*_############################################################################
  _## 
  _##  SNMP4J 2 - DecryptParams.java  
  _## 
  _##  Copyright (C) 2003-2011  Frank Fock and Jochen Katz (SNMP4J.org)
  _##  
  _##  Licensed under the Apache License, Version 2.0 (the "License");
  _##  you may not use this file except in compliance with the License.
  _##  You may obtain a copy of the License at
  _##  
  _##      http://www.apache.org/licenses/LICENSE-2.0
  _##  
  _##  Unless required by applicable law or agreed to in writing, software
  _##  distributed under the License is distributed on an "AS IS" BASIS,
  _##  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  _##  See the License for the specific language governing permissions and
  _##  limitations under the License.
  _##  
  _##########################################################################*/

package org.snmp4j.security;

/**
 * Parameter class for encrypt and decrypt methods of {@link SecurityProtocol}.
 * @author Jochen Katz
 * @version 1.0
 */
public class DecryptParams {
    /**
     * Initialize with the given value.
     * @param array
     *    the array as received on the wire
     * @param offset
     *    offset within the array
     * @param length
     *    length of the decrypt params
     */
    public DecryptParams(byte[] array, int offset, int length) {
        this.array = array;
        this.offset = offset;
        this.length = length;
    }

    /**
     * Inizialize with null values.
     */
    public DecryptParams() {
        this.array = null;
        this.offset = 0;
        this.length = 0;
    }

    /**
     * Initialize with the given value.
     * @param array
     *    the array as received on the wire
     * @param offset
     *    offset within the array
     * @param length
     *    length of the decrypt params
     */
    public void setValues(byte[] array, int offset, int length) {
        this.array = array;
        this.offset = offset;
        this.length = length;
    }

    public byte[] array;
    public int offset;
    public int length;
}
